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All results from a given calculation for N(CH3)3 (Trimethylamine)

using model chemistry: HF/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at HF/CEP-31G*
 hartrees
Energy at 0K-31.360709
Energy at 298.15K-31.371581
Nuclear repulsion energy81.500480
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at HF/CEP-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3259 2927 93.59      
2 A1 3150 2829 251.47      
3 A1 1638 1471 16.76      
4 A1 1622 1457 0.39      
5 A1 1327 1191 23.45      
6 A1 907 815 20.64      
7 A1 402 361 10.49      
8 A2 3288 2952 0.00      
9 A2 1620 1455 0.00      
10 A2 1153 1036 0.00      
11 A2 263 236 0.00      
12 E 3297 2961 102.82      
12 E 3297 2961 102.82      
13 E 3249 2917 60.93      
13 E 3249 2917 60.93      
14 E 3135 2815 53.70      
14 E 3135 2815 53.70      
15 E 1641 1474 9.52      
15 E 1641 1474 9.52      
16 E 1617 1452 7.12      
16 E 1617 1452 7.12      
17 E 1578 1417 7.56      
17 E 1578 1417 7.56      
18 E 1432 1286 19.59      
18 E 1432 1286 19.59      
19 E 1218 1094 11.87      
19 E 1218 1094 11.87      
20 E 1146 1030 22.26      
20 E 1146 1030 22.26      
21 E 452 406 0.03      
21 E 452 406 0.03      
22 E 294 264 0.38      
22 E 294 264 0.38      

Unscaled Zero Point Vibrational Energy (zpe) 28372.4 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 25478.4 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at HF/CEP-31G*
ABC
0.29073 0.29073 0.16488

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.399
C2 0.000 1.386 -0.048
C3 1.200 -0.693 -0.048
C4 -1.200 -0.693 -0.048
H5 0.000 1.480 -1.145
H6 1.281 -0.740 -1.145
H7 -1.281 -0.740 -1.145
H8 -0.882 1.899 0.336
H9 0.882 1.899 0.336
H10 2.085 -0.185 0.336
H11 1.203 -1.713 0.336
H12 -1.203 -1.713 0.336
H13 -2.085 -0.185 0.336
X14 0.000 0.000 1.399

Atom - Atom Distances (Å)
  N1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13 X14
N11.45601.45601.45602.13902.13902.13902.09472.09472.09472.09472.09472.09471.0000
C21.45602.39992.39991.10132.71362.71361.09041.09042.63903.34653.34652.63902.0037
C31.45602.39992.39992.71361.10132.71363.34652.63901.09041.09042.63903.34652.0037
C41.45602.39992.39992.71362.71361.10132.63903.34653.34652.63901.09041.09042.0037
H52.13901.10132.71362.71362.56292.56291.77401.77403.05203.71983.71983.05202.9436
H62.13902.71361.10132.71362.56292.56293.71983.05201.77401.77403.05203.71982.9436
H72.13902.71362.71361.10132.56292.56293.05203.71983.71983.05201.77401.77402.9436
H82.09471.09043.34652.63901.77403.71983.05201.76463.62644.17103.62642.40642.3484
H92.09471.09042.63903.34651.77403.05203.71981.76462.40643.62644.17103.62642.3484
H102.09472.63901.09043.34653.05201.77403.71983.62642.40641.76463.62644.17102.3484
H112.09473.34651.09042.63903.71981.77403.05204.17103.62641.76462.40643.62642.3484
H122.09473.34652.63901.09043.71983.05201.77403.62644.17103.62642.40641.76462.3484
H132.09472.63903.34651.09043.05203.71981.77402.40643.62644.17103.62641.76462.3484
X141.00002.00372.00372.00372.94362.94362.94362.34842.34842.34842.34842.34842.3484

picture of Trimethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 H5 112.795 N1 C2 H8 109.862
N1 C2 H9 109.862 N1 C3 H6 112.795
N1 C3 H10 109.862 N1 C3 H11 109.862
N1 C4 H7 112.795 N1 C4 H12 109.862
N1 C4 H13 109.862 C2 N1 C3 111.002
C2 N1 C4 111.002 C2 N1 X14 107.893
C3 N1 C4 111.002 C3 N1 X14 107.893
C4 N1 X14 107.893 H5 C2 H8 108.080
H5 C2 H9 108.080 H6 C3 H10 108.080
H6 C3 H11 108.080 H7 C4 H12 108.080
H7 C4 H13 108.080 H8 C2 H9 108.026
H10 C3 H11 108.026 H12 C4 H13 108.026
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.163      
2 C -0.317      
3 C -0.317      
4 C -0.317      
5 H 0.083      
6 H 0.083      
7 H 0.083      
8 H 0.144      
9 H 0.144      
10 H 0.144      
11 H 0.144      
12 H 0.144      
13 H 0.144      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.970 0.970
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.045 0.000 0.000
y 0.000 -26.045 0.000
z 0.000 0.000 -29.418
Traceless
 xyz
x 1.686 0.000 0.000
y 0.000 1.686 0.000
z 0.000 0.000 -3.372
Polar
3z2-r2-6.745
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.634 0.000 0.000
y 0.000 5.634 0.000
z 0.000 0.000 4.860


<r2> (average value of r2) Å2
<r2> 78.314
(<r2>)1/2 8.850